Epstein paints a mural of a nude woman on the wall of the school, using the image of Julie Kotter as his inspiration.

A Welcome Back, Kotter flashback episode. The Sweathogs share Christmas memories as they help the Kotters trim their tree.

The Sweathogs host a radio station at school, but Horshack's ratings are so bad that he gets canceled. In his final broadcast, he becomes a radical radio broadcaster causing his ratings to soar.